Update test_stooq.py

Author: corakwue

pandas_datareader/tests/test_stooq.py

@@ -25,3 +25,12 @@ def test_stooq_sp500():
 def test_get_data_stooq_dax():
     f = get_data_stooq('^DAX')
     assert f.shape[0] > 0
+
+def test_stooq_googl():
+    f = get_data_stooq('GOOGL.US')
+    assert f.shape[0] > 0
+
+
+def test_get_data_ibm():
+    f = get_data_stooq('IBM.UK')
+    assert f.shape[0] > 0